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| author | Gary E. Miller <gem@rellim.com> | 2018-09-25 17:06:20 -0700 |
|---|---|---|
| committer | Gary E. Miller <gem@rellim.com> | 2018-09-25 17:06:20 -0700 |
| commit | 754fc3def49d63be36f1e8fcff396657ed5f6c99 (patch) | |
| tree | e327849e30451f7deb80c6fe1e4046d541e664a1 /driver_navcom.c | |
| parent | 666fa40ddaf55c6a3e9d27f33377931bac8980a4 (diff) | |
| download | gpsd-754fc3def49d63be36f1e8fcff396657ed5f6c99.tar.gz | |
driver_navcom: note that ept seems incorrectly calculated
Diffstat (limited to 'driver_navcom.c')
| -rw-r--r-- | driver_navcom.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/driver_navcom.c b/driver_navcom.c index 5e35d92a..e4e2ecb3 100644 --- a/driver_navcom.c +++ b/driver_navcom.c @@ -453,13 +453,14 @@ static gps_mask_t handle_0xb1(struct gps_device_t *session) hdop = getub(buf, 43); vdop = getub(buf, 44); tdop = getub(buf, 45); - tfom = getub(buf, 46); + tfom = getub(buf, 46); /* tfom == 10 * TDOP */ /* Get two-sigma horizontal circular error estimate */ eph = fom / 100.0 * 1.96; /* approximate epx and epy errors from it */ session->newdata.epx = session->newdata.epy = eph / sqrt(2); - session->newdata.ept = tfom * 1.96 /*Two sigma */ ; + /* this next does not seem a correct way to get to seconds */ + session->newdata.ept = tfom * 1.96; /* Two sigma */ if (gdop != DOP_UNDEFINED) session->gpsdata.dop.gdop = gdop / 10.0; |